G2166 HCPCS - PATIENT REFUSED TO PARTICIPATE AT ADMISSION AND/OR DISCHARGE; PATIENT UNABLE TO COMPLETE THE NECK FS PROM AT ADMISSION OR DISCHARGE DUE TO COGNITIVE DEFICIT, VISUAL DEFICIT, MOTOR DEFICIT, LANGUAGE BARRIER, OR LOW READING LEVEL, AND A SUITABLE PROXY/RECORDER IS NOT AVAILABLE; PATIENT SELF-DISCHARGED EARLY; MEDICAL REASON